Cooling System And Airflow In A J-Ex4500 Switch - Dell PowerConnect J-EX4500 Hardware Manual

Dell PowerConnect J-Series J-EX4500 Ethernet Switch Hardware Guide
Table 11: Power Supply LED on J-EX4500 Switches
LED State
Unlit
Green
Amber
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Cooling System and Airflow in a J-EX4500 Switch

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Figure 12: AC Power Supply LEDs in J-EX4500 Switches
Table 11 on page 24 describes the LED on an AC power supply in a J-EX4500 switch.
Description
Indicates one of the following:
Power supply is disconnected from AC power feed.
AC power input voltage is not within normal operating range.
No AC power input.
On steadily—Power supply is functioning normally.
Blinking—Power supply has failed.
On steadily—Power supply has failed.
Blinking—Power supply has failed.
AC Power Specifications for J-EX4500 Switches on page 65
AC Power Cord Specifications for a J-EX4500 Switch on page 65
Connecting AC Power to a J-EX4500 Switch on page 101
The cooling system in a J-EX4500 switch consists of a single fan tray. The fan tray is a
hot-insertable and hot-removable field-replaceable unit (FRU). The fan tray contains
five fans (see Figure 13 on page 25).
AC power
supply LEDs